/usr/include/Cauchy/Eigen3/Complex.h is in cauchy-dev 0.9.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | /*
* Copyright (c) 2010 Cyrille Berger <cberger@cberger.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library; see the file COPYING.RUNTIME. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* The file COPYING.RUNTIME.EXCEPTION contains an exception that allow
* to use this file with other open source license
*/
#ifndef _CAUCHY_COMPLEX_H_
#define _CAUCHY_COMPLEX_H_
#include <complex>
namespace Cauchy {
std::complex<double> i(0, 1);
inline double real(const std::complex<double>& c)
{
return c.real();
}
inline double real(double c)
{
return c;
}
inline Eigen::MatrixXd real(const Eigen::MatrixXcd& c)
{
return c.real();
}
inline Eigen::MatrixXd real(const Eigen::MatrixXd& c)
{
return c;
}
inline double imag(const std::complex<double>& c)
{
return c.imag();
}
inline double imag(double c)
{
return c;
}
inline Eigen::MatrixXd imag(const Eigen::MatrixXcd& c)
{
return c.imag();
}
inline Eigen::MatrixXd imag(const Eigen::MatrixXd& c)
{
return c;
}
}
#endif
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